Why are visors on football helmets necessary?

Tinted football visors can help football players by filtering out bright sunlight -- much in the same way that sunglasses work. In sunny weather, this provides a player with an advantage by improving his vision. It can also benefit players with light sensitivities, including photophobia. read more

Quite subjective; one argument might be made that the visor functions as protection from sunlight. Another might be that the visor serves towards intimidating other players, as your head will look remarkably like that of Robocop. read more

The tinted visors, although not allowed at the high school or collegiate levels, were being used in the NFL to hide a players eyes, so their opponent cannot see where they are looking. However the NFL followed suit and has discontinued the use of tinted visors on the field, unless a tinted visor is medically necessary. read more

The football helmet is a piece of protective equipment used mainly in American football and Canadian football. It consists of a hard plastic shell with thick padding on the inside, a face mask made of one or more plastic-coated metal bars, and a chinstrap. read more